fix the code formatting issues

spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobProperties.java

@@ -31,6 +31,6 @@
 @Setter
 @ConfigurationProperties(prefix = "elasticjob")
 public class ElasticJobProperties {
-
+    
     private Map<String, ElasticJobConfigurationProperties> jobs = new LinkedHashMap<>();
 }

spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/tracing/ElasticJobTracingConfiguration.java

@@ -36,11 +36,11 @@
 @Configuration(proxyBeanMethods = false)
 @EnableConfigurationProperties(TracingProperties.class)
 public class ElasticJobTracingConfiguration {
-
+    
     @Configuration(proxyBeanMethods = false)
     @ConditionalOnProperty(name = "elasticjob.tracing.type", havingValue = "RDB")
     static class RDBTracingConfiguration {
-
+        
         /**
          * Create a bean of tracing DataSource.
          *
@@ -58,7 +58,7 @@ public DataSource tracingDataSource(final TracingProperties tracingProperties) {
             BeanUtils.copyProperties(dataSource, tracingDataSource);
             return tracingDataSource;
         }
-
+        
         /**
          * Create a bean of tracing configuration.
          *

spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/tracing/TracingProperties.java

@@ -30,13 +30,13 @@
 @Setter
 @ConfigurationProperties(prefix = "elasticjob.tracing")
 public class TracingProperties {
-
+    
     private String type;
-
+    
     @NestedConfigurationProperty
     private DataSourceProperties dataSource;
-
+    
     private Set<String> includeJobNames = new HashSet<>();
-
+    
     private Set<String> excludeJobNames = new HashSet<>();
 }